HALion 6 and HALion Sonic 3

Hello!
I have Cubase 9 and Halion 5!
I purchased the update to sonic 3 from sonic2.
In Cubase 9 there is Sonik 2, but when I try to install update ti says me what I haven’t license …
What I need to do?
Bye Sonic 2?
Update to Halion 6?
How I can use my update?
Thank You for help!